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Operating Systems & Architecture What are the four main areas of concern for operating systems? Describe each and the O/Ses role in the management of

Operating Systems & Architecture

What are the four main areas of concern for operating systems? Describe each and the O/Ses role in the management of each.

What is a system bus? Your answer should include a discussion of the data bus and the address bus.

What is meant by a memory-mapped I/O device?

What is a dual-mode operating system? Your answer should include CPU modes and trapping?

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